WEEK AHEAD: Tyra's Top Model Search

Tyra Banks looks for the Next Big Thing in the sixth-season premiere of America's Next Top Model on Wednesday. PEOPLE takes a look at her quest, plus other events to check out in the coming week:

MONDAY, MARCH 6: Get out your pens and pads and prepare to take notes: Jo Frost is once again schooling parents on how to deal with their unruly kids with the return of Supernanny (9 p.m. on ABC). This time, the primetime Mary Poppins tangles with two sets of out-of-control twin boys.

Meanwhile, yet another dysfunctional family is coming to the small screen with the premiere of the new sitcom Sons & Daughters (9 p.m. ET on ABC). In a blast from the past, Dee Wallace (E.T. the Extra-Terrestrial) stars as the clan's judgmental matriarch. The show is the latest offering from Saturday Night Live producer Lorne Michaels.

WEDNESDAY, MARCH 8:Tyra Banks is back on her quest for the next hot catwalker with the two-hour premiere of the sixth season of America's Next Top Model (8 p.m. ET on UPN). Once again, Twiggy, Nigel Barker and J. Alexander join her for the judging process as they narrow down the group from 32 hopefuls to 13 finalists in the first episode.

With the bombshell announcement that Grace (Debra Messing) is pregnant, Will (Eric McCormack), Jack (Sean P. Hayes) and Karen (Megan Mullally) react to the jaw-dropping news on Will & Grace (8 p.m. ET on NBC). And what will Leo (Harry Connick, Jr.) say about being a father-to-be?